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What is Compatibility Testing – HelpingTesters

Types of Testing
compatibility testing, compatibility testing questions, compatibility testing in software testing, compatibility testing tools

Compatibility testing is the non-functional testing mechanism which ensures the responsiveness of the software on all the key browsers, operating systems, and devices. This process evaluates how the systems react to various network capacities, database configurations, and diverse hardware settings. 

Various Facts of Compatibility Testing

For any software product, constant upgrades are necessary to focus on branding even after the successful launching of the software.This is the stage where the compatibility testing is necessary.
The tests are performed to determine whether the product is working as expected and to find out whether any enhancements are required.
The compatibility testing has two forms such as:

  • Forward Compatibility Testing
  • Backward Compatibility Testing

Forward Compatibility Testing

The process identifies the features of the product in the future point of view. Also, determines whether the product is compatible with the upcoming versions of other platforms or not.

Backward Compatibility Testing

This testing process is to verify that the product is compatible with the older versions of the platform.It is obvious that the backward compatibility is more predictable than the forward compatibility.


Compatibility Testing Processes

Step1: Defining the Platforms
Identifies the platforms on which the software is expected to execute.The test team will also determine the compatibility tools to be used for testing.

Step 2: Understanding the various configurations
As per the configuration settings of each platform used, the test case execution will vary.This step helps to identify the test cases to understand the software features better.

Step 3: Building the test cases
Building the test cases as per the configuration settings requires an in-depth knowledge of various platforms and the previous & upcoming versions of the platforms.The behavior of the software over various platforms at various configurations are better evaluated.

Step 4: Setting the environment for testing
The environment for testing the application is created and the most suitable testing tools required are selected.The platforms, devices, networks, databases etc… all the required environments are identified and set up for testing.

Step 5: Reporting Bugs
Reports are generated based on the test execution and the bugs identified. The priority settings are important here as the test results directly reflect the reaction of the software in the user’s point of view.

Some Major Errors usually reported in Compatibility Testing

  • GUI related issues such as misplaced separators, broken tables, the discrepancy in the content display etc.
  • Scroll bar related issues.
  • Changes in CSS Style, font, and color
  • Content and heading Overlapping
  • Navigation Issues

Relevance of Compatibility Testing

The key objective of the Digital Transformation is the customer satisfaction.The compatibility test results are the key points to ensure a superb customer experience while navigating through the website/application.

Providing customer support and resolving the issues at the site are highly expensive. The purpose of the compatibility testing is to reduce this cost and extra effort after implementing the software.
The compatibility testing finds the software/web application issues at the end of the development cycle. It will be possible to resolve the issues before reaching to the customer.

The compatibility testing checks the issues in the application during the development cycle. This enhances the quality of the software and ensures the scalability, stability, and usability of the application on the go, across the various platform and operating systems.

While considering the Mobile App the backward compatibility testing makes sure the platforms are backward compatible with all the older applications.

For mobile apps, the following point should be noted to ensure compatibility

  • The performance of the new platform with every older versions/APIs should be perfect.
  • The device’ security concerns should remain stable.
  • Ensure the hardware settings and performance [like battery backup, performance of the charged device, camera, network etc..]
  • Ensure the new version updated device do not corrupt the older data in the device

About the author

Asim Mondal author

Asim is ISTQB certified tester, expert in QA/Testing with a Master's in Computer Application, whether it is Mobile testing (Android, iOS and windows) or website testing he always lead the way in IT systems efficiency and a swift resolution of issues minimizing his employer’s risk.

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